- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/01 - Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
Patent holdings for IPC class B01D 33/01
Total number of patents in this class: 109
10-year publication summary
|
8
|
10
|
8
|
12
|
4
|
11
|
9
|
9
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grayl Inc. | 71 |
9 |
| Plenty Company, LLC | 11 |
7 |
| Del Corporation | 11 |
5 |
| GE Healthcare Limited | 633 |
3 |
| Scientific Plastic Products, Inc. | 36 |
3 |
| F. Hoffmann-La Roche AG | 7837 |
2 |
| Roche Diagnostics GmbH | 2691 |
2 |
| Allergan, Inc. | 2167 |
2 |
| Kohler Co. | 4147 |
2 |
| Murata Manufacturing Co., Ltd. | 25744 |
2 |
| Warsaw Orthopedic, Inc. | 2778 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| Hydropress Holdings, LLC | 3 |
2 |
| M-I L.L.C. | 746 |
2 |
| Next Generation Analytics GmbH | 57 |
2 |
| Psi-polymer Systems, Inc. | 7 |
2 |
| Thompson, John R. | 3 |
2 |
| Global Life Sciences Solutions Germany GmbH | 78 |
2 |
| JGB Innovations Pty Ltd | 3 |
2 |
| Global Life Sciences Solutions Germany GmbH | 2 |
2 |
| Other owners | 52 |